#ifndef BMP_H
#define BMP_H

#include "hardware/i2c.h"
#include <stdint.h>

#define BMP_ADDR 0x77
static const uint8_t BMP_STATUS = 0x03;
static const uint8_t BMP_DATA = 0x04;
static const uint8_t BMP_CAL_ADDR = 0x31;
#define BMP_CAL_LEN 21

// instead of a bunch of defines
enum {
  PAR_T1,
  PAR_T2,
  PAR_T3,
  PAR_P1,
  PAR_P2,
  PAR_P3,
  PAR_P4,
  PAR_P5,
  PAR_P6,
  PAR_P7,
  PAR_P8,
  PAR_P9,
  PAR_P10,
  PAR_P11
};
// raw calibration data
typedef struct {
  uint16_t NVM_PAR_T1;
  uint16_t NVM_PAR_T2;
  int8_t NVM_PAR_T3;
  int16_t NVM_PAR_P1;
  int16_t NVM_PAR_P2;
  int8_t NVM_PAR_P3;
  int8_t NVM_PAR_P4;
  uint16_t NVM_PAR_P5;
  uint16_t NVM_PAR_P6;
  int8_t NVM_PAR_P7;
  int8_t NVM_PAR_P8;
  int16_t NVM_PAR_P9;
  int8_t NVM_PAR_P10;
  int8_t NVM_PAR_P11;
} bmp_cal_data_t;

// floating point conversions
extern float bmp_cal_data_fp[15];

int getBMPData(i2c_inst_t *i2c, float *temperature, float *pressure);
int getBMPCalData(i2c_inst_t *i2c, bmp_cal_data_t *cal);
int initBMP(i2c_inst_t *i2c);

#endif // BMP_H